CDC report finds sharp increase in ADHD cases in U.S.

Approximately 6.4 million 4- to 17-year-olds have been diagnosed with attention-deficit/hyperactivity disorder at some point in their lives, an increase of 53% over the past decade, CDC researchers said. They noted that about two-thirds of children with the condition were given stimulant prescriptions such as Ritalin or Adderall.